C64200, also known as Silicon Bronze, is a copper alloy renowned for its excellent corrosion resistance,
high strength, and attractive golden color. This alloy is widely used in applications where these properties
are critical for both aesthetic appeal and functional durability.
Chemical Composition
C64200 is primarily composed of the following elements:
| Element |
Percentage (%) |
| Copper (Cu) |
96.0 - 98.0 |
| Silicon (Si) |
1.2 - 1.8 |
| Iron (Fe) |
≤ 0.8 |
| Zinc (Zn) |
≤ 0.5 |
| Lead (Pb) |
≤ 0.5 |
| Others |
≤ 0.5 |
Mechanical Properties
C64200 exhibits excellent mechanical properties suitable for various applications:
| Property |
Value |
| Tensile Strength |
345 - 655 MPa |
| Yield Strength |
205 - 455 MPa |
| Elongation |
20 - 35% |
| Hardness (Rockwell B) |
60 - 95 |
| Electrical Conductivity |
15 - 25% IACS (International Annealed Copper Standard) |
| Density |
8.40 g/cm³ |
Corresponding Country's Brand
C64200 is recognized under different brands in various countries. Here are some equivalents:
| Country |
Brand Name |
| USA |
Silicon Bronze |
| UK |
- |
| Germany |
CuSi3Mn1 |
| Japan |
C6420 |
| China |
QSi3-1 |
Common Questions and Answers
1. What are the primary applications of C64200 in industry?
Answer: C64200 is commonly used in applications requiring corrosion resistance, high
strength, and a distinctive golden color. It is often utilized in architectural applications such as door
and window frames, hardware, and decorative elements.
2. Is C64200 suitable for outdoor use and exposure to weather elements?
Answer: Yes, C64200 is highly suitable for outdoor use due to its excellent corrosion
resistance, particularly in environments exposed to moisture and atmospheric conditions. It is frequently
used in marine environments, architectural elements, and outdoor sculptures.
3. How does C64200 compare to other bronze alloys in terms of machinability?
Answer: C64200 Silicon Bronze exhibits good machinability, allowing for ease of cutting,
shaping, and finishing. It can be machined using standard techniques and tools, making it suitable for
precision components and decorative applications.
Summary Table
| Aspect |
Details |
| Chemical Composition |
Cu (96.0-98.0%), Si (1.2-1.8%), Fe (≤ 0.8%), Zn (≤ 0.5%), Pb (≤ 0.5%), Others (≤
0.5%)
|
| Mechanical Properties |
Tensile Strength: 345-655 MPa, Yield Strength: 205-455 MPa, Elongation: 20-35%, Hardness: 60-95
Rockwell B, Electrical Conductivity: 15-25% IACS, Density: 8.40 g/cm³
|
| Country Brands |
USA: Silicon Bronze, Germany: CuSi3Mn1, Japan: C6420, China: QSi3-1 |
| Applications |
Architectural elements, door and window frames, hardware, decorative elements, applications
requiring corrosion resistance and aesthetic appeal
|
C64200 Silicon Bronze is a versatile copper alloy known for its corrosion resistance, high strength, and
attractive appearance, making it a preferred choice in architectural and decorative applications where both
durability and aesthetics are essential.
